rs986710868

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_000135.4(FANCA):​c.3884T>G​(p.Leu1295*) variant causes a stop gained change. The variant allele was found at a frequency of 0.0000041 in 1,461,880 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

FANCA
NM_000135.4 stop_gained

Scores

2
2
3

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:3U:1

Conservation

PhyloP100: 5.53
Variant links:
Genes affected
FANCA (HGNC:3582): (FA complementation group A) The Fanconi anemia complementation group (FANC) currently includes FANCA, FANCB, FANCC, FANCD1 (also called BRCA2), FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ (also called BRIP1), FANCL, FANCM and FANCN (also called PALB2). The previously defined group FANCH is the same as FANCA. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. The members of the Fanconi anemia complementation group do not share sequence similarity; they are related by their assembly into a common nuclear protein complex. This gene encodes the protein for complementation group A. Alternative splicing results in multiple transcript variants encoding different isoforms. Mutations in this gene are the most common cause of Fanconi anemia. [provided by RefSeq, Jul 2008]
ZNF276 (HGNC:23330): (zinc finger protein 276) Enables sequence-specific double-stranded DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Located in kinetochore. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 18 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 16-89740044-A-C is Pathogenic according to our data. Variant chr16-89740044-A-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 558628.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
FANCANM_000135.4 linkc.3884T>G p.Leu1295* stop_gained Exon 39 of 43 ENST00000389301.8 NP_000126.2 O15360-1
ZNF276NM_001113525.2 linkc.*1798A>C 3_prime_UTR_variant Exon 11 of 11 ENST00000443381.7 NP_001106997.1 Q8N554-1I6L9I3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
FANCAENST00000389301.8 linkc.3884T>G p.Leu1295* stop_gained Exon 39 of 43 1 NM_000135.4 ENSP00000373952.3 O15360-1
ZNF276ENST00000443381.7 linkc.*1798A>C 3_prime_UTR_variant Exon 11 of 11 1 NM_001113525.2 ENSP00000415836.2 Q8N554-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251492
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135920
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000410
AC:
6
AN:
1461880
Hom.:
0
Cov.:
33
AF XY:
0.00000550
AC XY:
4
AN XY:
727236
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3Uncertain:1
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Fanconi anemia complementation group A Pathogenic:2Uncertain:1
Dec 29, 2021
Fulgent Genetics, Fulgent Genetics
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 28, 2020
Leiden Open Variation Database
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: curation

Curator: Arleen D. Auerbach. Submitter to LOVD: Arleen D. Auerbach. -

Jun 04, 2018
Counsyl
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Fanconi anemia Pathogenic:1
Dec 23, 2021
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change creates a premature translational stop signal (p.Leu1295*) in the FANCA gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in FANCA are known to be pathogenic (PMID: 19367192). This variant is present in population databases (no rsID available, gnomAD 0.003%). This premature translational stop signal has been observed in individual(s) with FANCA-related conditions (PMID: 23613520). ClinVar contains an entry for this variant (Variation ID: 558628). For these reasons, this variant has been classified as Pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.32
D
BayesDel_noAF
Pathogenic
0.31
CADD
Pathogenic
40
DANN
Benign
0.95
Eigen
Uncertain
0.43
Eigen_PC
Benign
0.17
FATHMM_MKL
Uncertain
0.95
D
Vest4
0.89
GERP RS
5.3

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.16
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs986710868; hg19: chr16-89806452; API